EP0940532A2 - Schloss, insbesondere für Pfosten von Metalltürrahmen - Google Patents

Schloss, insbesondere für Pfosten von Metalltürrahmen Download PDF

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Publication number
EP0940532A2
EP0940532A2 EP99104305A EP99104305A EP0940532A2 EP 0940532 A2 EP0940532 A2 EP 0940532A2 EP 99104305 A EP99104305 A EP 99104305A EP 99104305 A EP99104305 A EP 99104305A EP 0940532 A2 EP0940532 A2 EP 0940532A2
Authority
EP
European Patent Office
Prior art keywords
bolt
lock
casing
fulcrum
pawl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99104305A
Other languages
English (en)
French (fr)
Other versions
EP0940532B1 (de
EP0940532A3 (de
Inventor
Gian Pietro Andreoli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Iseo Serrature SpA
Original Assignee
Iseo Serrature SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Iseo Serrature SpA filed Critical Iseo Serrature SpA
Publication of EP0940532A2 publication Critical patent/EP0940532A2/de
Publication of EP0940532A3 publication Critical patent/EP0940532A3/de
Application granted granted Critical
Publication of EP0940532B1 publication Critical patent/EP0940532B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/06—Locks or fastenings with special structural characteristics with lengthwise-adjustable bolts ; with adjustable backset, i.e. distance from door edge
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/0054—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed
    • E05B17/0058—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed with non-destructive disengagement
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/20—Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position
    • E05B17/2084—Means to prevent forced opening by attack, tampering or jimmying
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/0013—Locks with rotary bolt without provision for latching
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/18—Details of fastening means or of fixed retaining means for the ends of bars
    • E05C9/1825—Fastening means
    • E05C9/1875—Fastening means performing pivoting movements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/10—Bolts of locks or night latches
    • E05B15/102—Bolts having movable elements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/0054—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/04—Devices for coupling the turning cylinder of a single or a double cylinder lock with the bolt operating member
    • E05B17/042—Devices for coupling the turning cylinder of a single or a double cylinder lock with the bolt operating member using toothed wheels or geared sectors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0431—Modifying spring characteristic or tension
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0496—Springs actuated by cams or the like
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/0056—Locks with adjustable or exchangeable lock parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/02—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening
    • E05C9/021—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening with rack and pinion mechanism
    • E05C9/023—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening with rack and pinion mechanism between a lock cylinder and the bar

Definitions

  • the present invention relates to a lock, particularly for uprights of metal door frames.
  • a rotating bolt has advantages over a translating bolt such as a greater resistance to breakage, a greater protrusion from the upright, and a higher resistance to a horizontal thrust which would push a translating bolt back into the casing.
  • a rotating bolt is less resistant to an upward thrust than the translating bolt, because an upward force would push the rotating bolt back into the casing.
  • the aim of the present invention is to eliminate the above cited inconveniences of the prior art.
  • An object of the present invention is to provide a lock wherein the bolt is prevented from going back into the casing when subjected to an undesired force, particularly an upward force.
  • a further object of the invention is to provide a lock wherein the spring of the spring latch or roller can be adjusted as desired.
  • Still a further object of the invention is to provide a lock wherein the latch or roller can be spaced from the casing as desired.
  • Still a further object of the invention is to provide a lock wherein the force required to turn the key is reduced, even though the size of the bolt is considerable.
  • Still a further object of the invention is to provide a highly versatile lock also having the casing closed on all sides.
  • a lock particularly for uprights of metal door frames, comprising a boxlike body or casing associable with a front plate and having at least one bolt, the bolt being operated by a cylinder through a kinematic means, the cylinder being operated by a key, characterized in that it comprises a moving means for moving the rotational fulcrum of said bolt from at least a first position to a second position for preventing the return of the bolt into the casing when the bolt is subjected to an undesired return force to make it return into the casing.
  • the lock particularly for uprights of metal door frames, globally designated by the reference numeral 1, comprises a boxlike body or casing 2 which is associable with a front plate 3, as clearly seen in FIGs. 8 to 11.
  • the casing 2 contains at least one bolt 4 which is actuated by a cylinder through a kinematic means globally designated by the reference numeral 5.
  • the cylinder which is for example actuated by a key, is per se known and is not illustrated in the drawings.
  • the kinematic means actuate the bolt 4 and comprises a wheel 20 suitably provided with a toothed sector 21 engaging a rack 22 having a tooth 17 adapted to cause the rotation of the bolt, as for example illustrated in FIGs. 2 and 3.
  • the tooth 17 engages the bolt thus effectively contrasting any undesired force trying to push the bolt back into the casing.
  • the bolt By engaging the tooth 17, the bolt discharges the undesired force mainly on its fulcrum thus allowing the movement of the fulcrum by moving means 6.
  • the moving means 6 make the bolt fulcrum move from at least one first position to a second position preventing the bolt from moving back into the casing when the bolt is subjected to an undesired force and particularly an upward force as indicated by the arrow in FIGs. 5 and 6.
  • the lock is provided with safety means activated by the motion of the fulcrum 14 from the first position to the second position.
  • the safety means comprises first retaining members for keeping the bolt 4 outside the casing 2 once the bolt is outside the bolt, that is when the door or window frame is closed.
  • the first retaining members keep the bolt together with the casing 2 and are constituted by two mobile pins 8 and 9 arranged inside the bolt 4.
  • the pins are biased by first elastic means constituted by respective springs, that are not illustrated in the drawings, and that, as better illustrated further on, bias the mobile pins to enter respective seats 10 and 11 provided on a plate 12 associated with the casing 2.
  • the moving means 6 comprises a preset resistance member adapted to yield when the undesired force applied to the bolt exceed the resistance of the preset resistance member but is still lower of the contrast force applied by the tooth 17 to the bolt.
  • the preset resistance member is for example constituted by a diaphragm 6 which, as seen in FIGs. 5 and 6, yields when an upwards force is applied to the bolt and thus make the fulcrum 14 move upwards.
  • the second retaining means comprises an edge 15 of a casing aperture 16 for the bolt 4 when its fulcrum is in the first position, i.e. in the operating position.
  • the resistance member 6 may for example be constituted by a spring, not illustrated, adapted to bias the fulcrum 14 back into its first position when the undesired force is no longer applied to the bolt.
  • pins 8 and 9 may for example have a slanted face and therefore, when the undesired force is no longer applied and the fulcrum has returned to the bolt first position, the pins automatically go back into the bolt disengaging the respective seats 10 and 11 and thus fully reestablishing the operativity of the lock, if the lock has not been damaged.
  • the toothed sector 21 has two teeth 18 shaped differently from the third tooth 10 and adapted to engage the teeth of the rack.
  • the rack teeth are shaped accordingly and spaced apart for an optimal meshing both when opening and closing the bolt.
  • the tooth 17 of rack 22 supports a control pawl 23 which does not directly act on the bolt but rather on second elastic means constituted by a spring 24 adapted to maintain a constant perfect meshing between the toothed sector 21 and the rack preventing any undesired motion of the rack 22 with respect of the toothed sector 21 while the bolt is moving out of, or into, the casing 2.
  • the toothed wheel 20 allows a reduction of the effort required for opening and closing the bolt since the friction on the bolt is less than half of the friction in conventional locks.
  • the lock according to the invention may be provided with a translating bolt 26, as illustrated in FIG. 9.
  • the translating bolt 26 combined with the rotating bolt 4 provides an effective barrier against unwanted handling of the lock.
  • the translating bolt is adapted to be inserted in a hole of its own provided on a counter plate, not illustrated in the drawings, which prevents the upright 3 from being raised with respect of the same plate.
  • the lock according to the invention may also be provided with a connection means adapted to connect a pawl 30, a roller 31 or a cap 39 to the casing 2.
  • connection means allowing the interchangeability between roller and pawl and viceversa are constituted by a block 32 having an engagement member constituted by a pivot 33 biased by third elastic means, namely a spring which is not illustrated in the drawings, adapted to insert in a seat 34 provided on a plate 35 associated with the casing 2.
  • the pivot 33 can be disengaged from the seat 34, by compressing the spring, and it is therefore possible to pull off the roller or the pawl from the casing 2 for its substitution.
  • the distance between the pawl 30 or roller 31 and its respective block 32 may also be adjusted by rotating the pawl or roller about its respective axis since the pawl or roller engages its respective block through a thread 36.
  • the force of the return spring 40 of the roller or pawl can be adjusted by means of an adjusting means comprising a seat 41 having two catch projections 42 that engage the fulcrum pivot 43, about which rotates the spring 40, thus preventing the rotation of the spring.
  • the spring 40 has a section 45 adapted to engage in a seat 46 of pivot 43 which can be operated by a screw driver through a hole provided in the casing 2.
  • the screw driver By pushing the pivot 43 out of the catch projections 42 by means of the screw driver, the screw driver can be rotated thus adjusting the spring 45 according to the needs or depending on whether the roller or pawl are used, thereby allowing to again engage pivot 43 with catch projections 42 thus keeping the spring adjusted in the selected position.
  • the lock and diverters 50 assembly is in fact frontally fastened by screws, and the bars connecting the lock to the diverters 50 are the same for all the versions.
  • the diverters 50 may be provided with a rotating bolt and/or with a translating bolt thus allowing several versions of the product.
  • the lock according to the invention may have numerous modifications and variations, all within the inventive concept; furthermore, all the details may be substituted with technically equivalent elements.
  • the materials employed, as well as the dimensions, may be any according to the specific needs and the state of the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Door And Window Frames Mounted To Openings (AREA)
  • Wing Frames And Configurations (AREA)
  • Gates (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
EP99104305A 1998-03-06 1999-03-03 Schloss, insbesondere für Pfosten von Metalltürrahmen Expired - Lifetime EP0940532B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI980456 1998-03-06
IT98MI000456A IT1298596B1 (it) 1998-03-06 1998-03-06 Serratura particolarmente per montanti di serramenti metallici

Publications (3)

Publication Number Publication Date
EP0940532A2 true EP0940532A2 (de) 1999-09-08
EP0940532A3 EP0940532A3 (de) 1999-11-24
EP0940532B1 EP0940532B1 (de) 2002-01-02

Family

ID=11379208

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99104305A Expired - Lifetime EP0940532B1 (de) 1998-03-06 1999-03-03 Schloss, insbesondere für Pfosten von Metalltürrahmen

Country Status (5)

Country Link
EP (1) EP0940532B1 (de)
AT (1) ATE211520T1 (de)
DE (1) DE69900729T2 (de)
ES (1) ES2170553T3 (de)
IT (1) IT1298596B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003078770A1 (en) * 2002-03-15 2003-09-25 Surelock Mcgill Limited Bolting mechanism
EP1182312A3 (de) * 2000-08-21 2003-10-22 Wilh. Schlechtendahl & Söhne GmbH & Co. KG Einsteckschloss mit einer Treibstangenaufnahme
EP2186974A1 (de) * 2008-11-14 2010-05-19 Joseph Talpe Zylinderschloss mit schwenkbar montiertem Bolzen
WO2014096513A1 (en) * 2012-12-19 2014-06-26 Abloy Oy Door lock

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL74237C (de) * 1900-01-01
CH325022A (de) * 1954-07-09 1957-10-31 Tlach Otto Zentralverschluss an einem Fenster
CH432280A (de) * 1964-09-17 1967-03-15 Eugen Schneider Ernst Rollfallenschloss
GB1363185A (en) * 1972-05-10 1974-08-14 Archital Luxfer Ltd Fastening device for windows doors or the like
US4754624A (en) * 1987-01-23 1988-07-05 W&F Manufacturing Lock assembly for sliding doors
DE8816638U1 (de) * 1988-11-15 1990-02-22 W. Hautau GmbH, 3068 Helpsen Verriegelungsgetriebe für Flügel von Fenstern, Türen o.dgl.
FR2646873A1 (fr) * 1989-05-12 1990-11-16 Judel Eurk Ste Financiere Y Dispositif de verrouillage de securite pour fenetres
DE9208531U1 (de) * 1992-06-25 1992-09-10 Gretsch-Unitas GmbH Baubeschläge, 7257 Ditzingen Schloß, insbesondere Einsteckschloß mit einer Falle
EP0547021A1 (de) * 1991-12-09 1993-06-16 Roto Frank Eisenwarenfabrik Aktiengesellschaft Umstellbare Falle für ein Türschloss
EP0433623B1 (de) * 1989-11-23 1993-07-28 Gretsch-Unitas GmbH Baubeschläge Verriegelungsvorrichtung für ein Fenster, eine Tür od.dgl.
FR2697566A1 (fr) * 1992-10-29 1994-05-06 Stremler Serrure à pêne basculant.
EP0677634A1 (de) * 1994-04-13 1995-10-18 KARL FLIETHER GmbH & Co. Insbesondere an Wohnungsabschlusstüren einzusetzendes Schloss, insbesondere Treibstangenschloss
DE29610086U1 (de) * 1996-02-29 1996-08-08 Dorma Gmbh + Co. Kg, 58256 Ennepetal Schloß
EP0785321A1 (de) * 1996-01-19 1997-07-23 Roto Frank Eisenwarenfabrik Aktiengesellschaft Rollfalle mit einem Rollfallenschaft

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL74237C (de) * 1900-01-01
CH325022A (de) * 1954-07-09 1957-10-31 Tlach Otto Zentralverschluss an einem Fenster
CH432280A (de) * 1964-09-17 1967-03-15 Eugen Schneider Ernst Rollfallenschloss
GB1363185A (en) * 1972-05-10 1974-08-14 Archital Luxfer Ltd Fastening device for windows doors or the like
US4754624A (en) * 1987-01-23 1988-07-05 W&F Manufacturing Lock assembly for sliding doors
DE8816638U1 (de) * 1988-11-15 1990-02-22 W. Hautau GmbH, 3068 Helpsen Verriegelungsgetriebe für Flügel von Fenstern, Türen o.dgl.
FR2646873A1 (fr) * 1989-05-12 1990-11-16 Judel Eurk Ste Financiere Y Dispositif de verrouillage de securite pour fenetres
EP0433623B1 (de) * 1989-11-23 1993-07-28 Gretsch-Unitas GmbH Baubeschläge Verriegelungsvorrichtung für ein Fenster, eine Tür od.dgl.
EP0547021A1 (de) * 1991-12-09 1993-06-16 Roto Frank Eisenwarenfabrik Aktiengesellschaft Umstellbare Falle für ein Türschloss
DE9208531U1 (de) * 1992-06-25 1992-09-10 Gretsch-Unitas GmbH Baubeschläge, 7257 Ditzingen Schloß, insbesondere Einsteckschloß mit einer Falle
FR2697566A1 (fr) * 1992-10-29 1994-05-06 Stremler Serrure à pêne basculant.
EP0677634A1 (de) * 1994-04-13 1995-10-18 KARL FLIETHER GmbH & Co. Insbesondere an Wohnungsabschlusstüren einzusetzendes Schloss, insbesondere Treibstangenschloss
EP0785321A1 (de) * 1996-01-19 1997-07-23 Roto Frank Eisenwarenfabrik Aktiengesellschaft Rollfalle mit einem Rollfallenschaft
DE29610086U1 (de) * 1996-02-29 1996-08-08 Dorma Gmbh + Co. Kg, 58256 Ennepetal Schloß

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1182312A3 (de) * 2000-08-21 2003-10-22 Wilh. Schlechtendahl & Söhne GmbH & Co. KG Einsteckschloss mit einer Treibstangenaufnahme
WO2003078770A1 (en) * 2002-03-15 2003-09-25 Surelock Mcgill Limited Bolting mechanism
EP2186974A1 (de) * 2008-11-14 2010-05-19 Joseph Talpe Zylinderschloss mit schwenkbar montiertem Bolzen
US8523247B2 (en) 2008-11-14 2013-09-03 Joseph Talpe Cylinder lock with pivotally-mounted bolt
WO2014096513A1 (en) * 2012-12-19 2014-06-26 Abloy Oy Door lock
US9551173B2 (en) 2012-12-19 2017-01-24 Abloy Oy Door lock

Also Published As

Publication number Publication date
ES2170553T3 (es) 2002-08-01
DE69900729D1 (de) 2002-02-28
ATE211520T1 (de) 2002-01-15
EP0940532B1 (de) 2002-01-02
DE69900729T2 (de) 2002-08-22
ITMI980456A1 (it) 1999-09-06
IT1298596B1 (it) 2000-01-12
EP0940532A3 (de) 1999-11-24

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